Vibration spectrum analyzer using stretched membranes of polymer piezoelectrics for sensor networks

Mahidhar, R and Prakash, K and Aswathi, RN and Prasad, MVN and Sambandan, Sanjiv (2013) Vibration spectrum analyzer using stretched membranes of polymer piezoelectrics for sensor networks. In: Measurement Science and Technology, 24 (5). 055108_1-055108_11.

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Abstract

The key problem tackled in this paper is the development of a stand-alone self-powered sensor to directly sense the spectrum of mechanical vibrations. Such a sensor could be deployed in wide area sensor networks to monitor structural vibrations of large machines (e. g. aircrafts) and initiate corrective action if the structure approaches resonance. In this paper, we study the feasibility of using stretched membranes of polymer piezoelectric polyvinlidene fluoride for low-frequency vibration spectrum sensing. We design and evaluate a low-frequency vibration spectrum sensor that accepts an incoming vibration and directly provides the spectrum of the vibration as the output.

Item Type:	Journal Article
Publication:	Measurement Science and Technology
Publisher:	IOP Publishing Ltd
Additional Information:	Copyright of this article belongs to IOP Publishing Ltd.
Keywords:	Vibrations; Sensors; Piezoelectric; Spectrum
Department/Centre:	Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited:	28 May 2013 06:41
Last Modified:	28 May 2013 06:41
URI:	http://eprints.iisc.ac.in/id/eprint/46568

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